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cable size

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  1. H

    Hydrotherapy bath cable size

    I am hoping one of you kind gentlemen can help. I am having the bathroom turned into a wet room which is being tanked Friday. I am also having a hydrotherapy bath installed. As the wiring up is not being done until after the tanking so the cable or cables need to be laid before the tanking...
  2. T

    Calculating electric motor cable size

    How do I calculate cable size for 2x 22kw motors, power factor 0.86. One will be running whist the other one is for standby, but in case of high load both motors can run together, but it's very rare to have high loads.
  3. C

    calculating cable size

    hi, i was wondering as i calculate the cable size of a run of swa do i use the total ampage or the line ampage? for example my run is 95 meters and total current is 273 amp. the cable is spaced in horizontal cable tray.
  4. C

    Garden shed cable size

    Hi, I,m running a supply to my neighbour,s new garage and would appreciate advice on cable size. It will be 3 core SWA running underground. The max load will be around 8A and that only for small periods(power tools) other than that only lighting,and total run will be about 30mts from house DB. I...
  5. W

    Cable size

    Hi guys, installing new consumer unit and the supply to the flat is an swa 10mm 2core with a seperate 6mm earth to the isolator, just wondering what size tails to take to new CU, thanks
  6. H

    Cable size

    My brother wants his garage light converting to 2 way. It's currently wired 1 way in 1.5mm - for the 3 core to convert it is it permissable to wire in 1mm or does it also need to be wired in 1.5mm to match the existing wiring. 1mm will be able to cope with the current demands, just didn't know...
  7. W

    Cable size

    I'm struggling to work out cable size. a lighting circuit in a office with the distribution board next door,having three cables chased up.to the suspended office room next door then run in basket tray for two meters before separating to each circuit. In=6 Ca.30 degrees seems a high...
  8. M

    Supply cable size

    Hi I am not electrically qualified but would like some advice please. I am currently having my house renovated. The supply from western power goes into a main switch that is in an annexe that we have near to the main property. The builders have installed a new armoured 3 core 25mm cable that...
  9. T

    Voltage drop/ Cable size query

    Hi All, Quick brain pick. If I don't care about voltage drop (eg. all components on the circuit will run between 100-250V) and current capacity is within limits, are there any other considerations when deciding to use a smaller than 'normal' cable size? 200m run - 10 x 300w loads equally...
  10. M

    Cable size sub main

    Hi all, looking for a bit of guidance/help please..... I have been asked to confirm the correct cable size on a sub main that supplies the communal area of a block of flats (4 flats in total). All that is supplied from the consumer unit under the stairs is a 2kw heater, led lights x 6, 2 x...
  11. H

    Cable size help

    Gents i've been to attend a melted 3ph 5pin socket and isolator at a commercial kitchen installed recently. Cable is 15m 6mm 5c yy buried in a solid wall for a 16kw cooker. If im honest im not getting the 3rd harmonic/neutral, and im getting confused with general adiabatic equations. Can anyone...
  12. R

    Reduction in cable size

    I have come across a situation where 6mm tails have been installed on the live side of the main switch of a distribution board. The supply to the DB is 35mm and I would guess on either 63 or 100amp fuses (unable to isolate at main panel to check). It appears that no spare ways were available so...
  13. B

    Cable Size Advice

    Hi all, we first fixed a extension a couple of weeks ago and they were going to have a 10.5 kw convection oven so we ran a 10mm cable to it... we have gone back to second fix today but they are not having that oven anymore instead they are now having a 4.6kw oven so 20A, now the guy I was...
  14. W

    Cable size

    Hello, I have a farm where electricity source is about 240 meters from the well , at which I already have installed a 30hp Grundfos submersible pump. I have laid a 50 mm cable from the source to the control panels on the well (240 meters 50 mm cable buried ) , and then I used 35mm flexible...
  15. N

    10.5kW Shower Cable Size

    Hi all, Would a 10.5kW Shower require 10mm or 16mm twin and earth? I've been doing cable calculations at college and im not 100%. Cable Length = 20m Protective Device = 50A Wiring method = Above plasterboard ceiling not exceeding 100mm insulation I belive 10mm is sufficient but my calcs...
  16. L

    Earthing...... Cable size any help appreciated

    I have recently taken over responsibility for a care home which has a 3ph supply, Incoming phase cables are 185mm, fuses are rated at 315A and the earth is 50mm, PFC is 1.15kA x 2 and the Ze is 0.20 ohms I have been given a PIR which was carried out last year, stating amongst other things that...
  17. uksparks

    Cable size

    Hi, I am going to be connecting an out door power supply, away from the building, its all metal casing. The supply is 10mm, I am using a 3 core SWA for part of the run, the inside part was going to be in twin and earth, but then I was just thinking, going on table 54.8 section 544.1, am I...
  18. P

    new consumer unit wrong cable size??

    Hi there I am after some advice regarding some work being done in my house by a qualified electrcian (qualifications verified). I have had a new 2 storey extension built and the electrician has created a new circuit for both the ligts and power for both of these via a new consumer unit which he...
  19. G

    Cable size

    Outside lights are wired in artic flex, but has 2.5t&e from CU to FCU, about 30cm. What size cable would you record on the schedule, the t&e or flex size?
  20. R

    Cable size help

    Afternoon guys, just a quick question. My van has broken cables in the loom, mainly the constant 12v big red cable that goes throughout the loom. Does anyone know what size and name this cable is? I have tried google briefly and i am trying to save myself getting the verniers on the cable to...

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